/*
 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

package com.nulldev.util.graphics.renderIt.ginterfaces.marlin.impl.pisces;

/**
 * Marlin constant holder using System properties
 */
interface MarlinConst {
	// enable Logs (logger or stdout)
	static final boolean ENABLE_LOGS = MarlinProperties.isLoggingEnabled();
	// use Logger instead of stdout
	static final boolean USE_LOGGER = ENABLE_LOGS && MarlinProperties.isUseLogger();

	// log new RendererContext
	static final boolean LOG_CREATE_CONTEXT = ENABLE_LOGS && MarlinProperties.isLogCreateContext();
	// log misc.Unsafe alloc/realloc/free
	static final boolean LOG_UNSAFE_MALLOC = ENABLE_LOGS && MarlinProperties.isLogUnsafeMalloc();
	// do check unsafe alignment:
	static final boolean DO_CHECK_UNSAFE = false;

	// do statistics
	static final boolean DO_STATS = ENABLE_LOGS && MarlinProperties.isDoStats();
	// do monitors
	// disabled to reduce byte-code size a bit...
	static final boolean DO_MONITORS = false;
//    static final boolean DO_MONITORS = ENABLE_LOGS && MarlinProperties.isDoMonitors();
	// do checks
	static final boolean DO_CHECKS = ENABLE_LOGS && MarlinProperties.isDoChecks();

	// do AA range checks: disable when algorithm / code is stable
	static final boolean DO_AA_RANGE_CHECK = false;

	// enable logs
	static final boolean DO_LOG_WIDEN_ARRAY = ENABLE_LOGS && false;
	// enable oversize logs
	static final boolean DO_LOG_OVERSIZE = ENABLE_LOGS && false;
	// enable traces
	static final boolean DO_TRACE = ENABLE_LOGS && false;

	// do flush stats
	static final boolean DO_FLUSH_STATS = true;
	// do flush monitors
	static final boolean DO_FLUSH_MONITORS = true;
	// use one polling thread to dump statistics/monitors
	static final boolean USE_DUMP_THREAD = false;
	// thread dump interval (ms)
	static final long DUMP_INTERVAL = 5000L;

	// do clean dirty array
	static final boolean DO_CLEAN_DIRTY = false;

	// flag to use collinear simplifier
	static final boolean USE_SIMPLIFIER = MarlinProperties.isUseSimplifier();

	// flag to use path simplifier
	static final boolean USE_PATH_SIMPLIFIER = MarlinProperties.isUsePathSimplifier();

	static final boolean DO_CLIP_SUBDIVIDER = MarlinProperties.isDoClipSubdivider();

	// flag to enable logs related to bounds checks
	static final boolean DO_LOG_BOUNDS = ENABLE_LOGS && false;

	// flag to enable logs related to clip rect
	static final boolean DO_LOG_CLIP = ENABLE_LOGS && false;

	// Initial Array sizing (initial context capacity) ~ 450K

	// 4096 pixels (width) for initial capacity
	static final int INITIAL_PIXEL_WIDTH = MarlinProperties.getInitialPixelWidth();
	// 2176 pixels (height) for initial capacity
	static final int INITIAL_PIXEL_HEIGHT = MarlinProperties.getInitialPixelHeight();

	// typical array sizes: only odd numbers allowed below
	static final int INITIAL_ARRAY = 256;

	// alpha row dimension
	static final int INITIAL_AA_ARRAY = INITIAL_PIXEL_WIDTH;

	// 4096 edges for initial capacity
	static final int INITIAL_EDGES_COUNT = MarlinProperties.getInitialEdges();

	// initial edges = edges count (4096)
	// 6 ints per edges = 24 bytes
	// edges capacity = 24 x initial edges = 24 * edges count (4096) = 96K
	static final int INITIAL_EDGES_CAPACITY = INITIAL_EDGES_COUNT * 24;

	// zero value as byte
	static final byte BYTE_0 = (byte) 0;

	// subpixels expressed as log2
	public static final int SUBPIXEL_LG_POSITIONS_X = MarlinProperties.getSubPixel_Log2_X();
	public static final int SUBPIXEL_LG_POSITIONS_Y = MarlinProperties.getSubPixel_Log2_Y();

	public static final int MIN_SUBPIXEL_LG_POSITIONS = Math.min(SUBPIXEL_LG_POSITIONS_X, SUBPIXEL_LG_POSITIONS_Y);

	// number of subpixels
	public static final int SUBPIXEL_POSITIONS_X = 1 << (SUBPIXEL_LG_POSITIONS_X);
	public static final int SUBPIXEL_POSITIONS_Y = 1 << (SUBPIXEL_LG_POSITIONS_Y);

	public static final float MIN_SUBPIXELS = 1 << MIN_SUBPIXEL_LG_POSITIONS;

	public static final int MAX_AA_ALPHA = (SUBPIXEL_POSITIONS_X * SUBPIXEL_POSITIONS_Y);

	public static final int TILE_H_LG = MarlinProperties.getTileSize_Log2();
	public static final int TILE_H = 1 << TILE_H_LG; // 32 by default

	public static final int TILE_W_LG = MarlinProperties.getTileWidth_Log2();
	public static final int TILE_W = 1 << TILE_W_LG; // 32 by default

	public static final int BLOCK_SIZE_LG = MarlinProperties.getBlockSize_Log2();
	public static final int BLOCK_SIZE = 1 << BLOCK_SIZE_LG;

	// Constants
	public static final int WIND_EVEN_ODD = 0;
	public static final int WIND_NON_ZERO = 1;

	/**
	 * Constant value for join style.
	 */
	public static final int JOIN_MITER = 0;

	/**
	 * Constant value for join style.
	 */
	public static final int JOIN_ROUND = 1;

	/**
	 * Constant value for join style.
	 */
	public static final int JOIN_BEVEL = 2;

	/**
	 * Constant value for end cap style.
	 */
	public static final int CAP_BUTT = 0;

	/**
	 * Constant value for end cap style.
	 */
	public static final int CAP_ROUND = 1;

	/**
	 * Constant value for end cap style.
	 */
	public static final int CAP_SQUARE = 2;

	// Out codes
	static final int OUTCODE_TOP = 1;
	static final int OUTCODE_BOTTOM = 2;
	static final int OUTCODE_LEFT = 4;
	static final int OUTCODE_RIGHT = 8;
	static final int OUTCODE_MASK_T_B = OUTCODE_TOP | OUTCODE_BOTTOM;
	static final int OUTCODE_MASK_L_R = OUTCODE_LEFT | OUTCODE_RIGHT;
	static final int OUTCODE_MASK_T_B_L_R = OUTCODE_MASK_T_B | OUTCODE_MASK_L_R;
}
